Sam was a researcher pursuing to create the perfect living AI, but because of his notorious means to achieve his goal, he became a fugitive.  After years of hiding from the authority, suddenly the world changed. Mana covered the world, granting people magic and superhuman ability.  As the man of science, he refused magic and choose to follow the path of technology.  Killing the only person genuinely cared about him cold-bloodedly. Will he be able to achieve his goal? Will he survive in the new world with the path he had chosen? Will change and become good, or will he follow his heart and be the devil?